28966113 has 32 divisors (see below), whose sum is σ = 49576320. Its totient is φ = 16519680.

The previous prime is 28966111. The next prime is 28966117. The reversal of 28966113 is 31166982.

It is not a de Polignac number, because 28966113 - 2¹ = 28966111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28966111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2181 + ... + 7917.

It is an arithmetic number, because the mean of its divisors is an integer number (1549260).

Almost surely, 2^28966113 is an apocalyptic number.

It is an amenable number.

28966113 is a deficient number, since it is larger than the sum of its proper divisors (20610207).

28966113 is a wasteful number, since it uses less digits than its factorization.

28966113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5774 (or 5768 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 28966113 is about 5382.0175584998. The cubic root of 28966113 is about 307.1119674207. Note that the first 3 decimals are identical.

It can be divided in two parts, 2896 and 6113, that added together give a palindrome (9009).

The spelling of 28966113 in words is "twenty-eight million, nine hundred sixty-six thousand, one hundred thirteen".